Description
The TIP120 NPN Darlington Transistor is a versatile electronic component designed for high-gain amplification and low-speed switching applications. Its built-in Darlington pair provides a high DC current gain of up to 1000, allowing a relatively small input current to control a larger output current.
With a collector-emitter voltage rating of 100V and a maximum collector current of 5A, the TIP120 is suitable for a wide range of electronics projects, including motor control circuits, relay drivers, solenoid switching, and other power-control applications. Its durable TO-220 package makes it easy to install on a PCB or use with a suitable heatsink when required.
Whether you are building a DIY electronics project, repairing an existing circuit, or developing an embedded system, the TIP120 transistor is a practical choice for general-purpose switching and amplification.
Key Features
- NPN Darlington transistor: Combines two transistor stages for high current gain.
- High DC current gain: Typical gain value of up to 1000, depending on operating conditions.
- 100V collector-emitter voltage: Suitable for circuits operating within its voltage ratings.
- 5A maximum collector current: Supports a variety of switching and control applications under appropriate thermal conditions.
- TO-220 package: Convenient for PCB mounting and heatsink installation.
- Wide range of applications: Ideal for motor drivers, relay circuits, solenoids, lamps, and electronic control systems.
Applications
The TIP120 NPN Darlington Transistor can be used in:
- DC motor and actuator control circuits
- Relay and solenoid drivers
- LED and lamp switching circuits
- Arduino and microcontroller-based projects
- General-purpose electronic switching
- Low-frequency signal amplification
- DIY electronics, robotics, and automation projects
TIP120 Transistor Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Darlington |
| Collector-Emitter Voltage (VCEO) | 100V |
| Collector-Base Voltage (VCBO) | 100V |
| Emitter-Base Voltage (VEBO) | 5V |
| Maximum Collector Current (IC) | 5A |
| Maximum Collector Dissipation | 65W |
| DC Current Gain (hFE) | Up to 1000 |
| Operating Junction Temperature | -65°C to +150°C |
| Package Type | TO-220 |
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